Folks, so the resistor is missing on these vehicles and it creates various issues. Supposedly, after this fix, DCT performs better and exhaust is louder, as reported by 2 owners in
this thread. There is no relevant SIB for F80. Looks like M3s are unaffected.
SIB 61-24-14
September 2014
Service Action: Install Missing CAN Terminating Resistor
F82
SITUATION
The general electrical system functions fail to operate properly. Various erroneous fault codes are stored throughout the vehicle.
CAUSE
The CAN (Controller Area Network) terminating resistor is missing from the vehicle wiring harness near the EKPS (Electric Fuel Pump Control) module.
CORRECTION
Install the missing CAN terminating resistor.
AFFECTED VEHICLES
This Service Action involves 4 Series Coupes produced from March 2014 to July 2014.
First check if a Service Action label with a code number 703 is already attached to the B-pillar.
If a code number 703 has been punched out, the Campaign has already been performed and no further action is necessary.
Vehicles which require this Service Action to be completed will show it as “Open” when checked either in the "Service Menu"